Tag: databases

Questions Related to databases

  1. we can use Application Trigger to fire when a DELETE statement occurs

  2. we can use database Trigger to fire when a INSERT statement occurs

  3. we can use System event Trigger to fire when a DELETE statement occurs

  4. we can use INSTEAD OF trigger to fire when a INSERT statement occurs


Correct Option: B
  1. DURING

  2. INSTEAD

  3. ON SHUTDOWN

  4. BEFORE


Correct Option: D
  1. Package

  2. Stored function

  3. Stored procedure

  4. Another DB trigger


Correct Option: C
  1. DELETE TRIGGER business_hour

  2. DROP TRIGGER business_hour

  3. REMOVE TRIGGER business_hour

  4. ALTER TRIGGER business_hour remove


Correct Option: B
  1. Row level DML trigger

  2. Statement level DML trigger

  3. System trigger

  4. Application Trigger


Correct Option: A
  1. ALTER TRIGGERS ON TABLE EMP DISABLE

  2. ALTER EMP DISABLE ALL TRIGGERS

  3. NOT POSSIBLE TO DISABLE TRIGGERS

  4. ALTER TABLE EMP DISABLE ALL TRIGGERS


Correct Option: D
  1. Full table scan

  2. Table access by ROWID

  3. Access via unique index

  4. Primary key access


Correct Option: B